/* ============================================
   Riverside Breakfast & Lunch — Stylesheet
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --midnight: #0A2540;
    --midnight-light: #123A5E;
    --midnight-dark: #061A2E;
    --mint: #5EEAD4;
    --mint-light: #9FF3E8;
    --mint-dark: #3DD4C0;
    --neutral-50: #F8FAFC;
    --neutral-100: #F1F5F9;
    --neutral-200: #E2E8F0;
    --neutral-300: #CBD5E1;
    --neutral-400: #94A3B8;
    --neutral-500: #64748B;
    --neutral-600: #475569;
    --neutral-700: #334155;
    --neutral-800: #1E293B;
    --neutral-900: #0F172A;
    
    --font-body: 'DM Sans', system-ui, -apple-system, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --shadow-sm: 0 1px 3px rgba(10, 37, 64, 0.08);
    --shadow-md: 0 4px 16px rgba(10, 37, 64, 0.1);
    --shadow-lg: 0 8px 32px rgba(10, 37, 64, 0.12);
    --shadow-xl: 0 16px 48px rgba(10, 37, 64, 0.16);
    
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--neutral-800);
    background: var(--neutral-50);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.skip-link {
    position: absolute;
    top: -100%;
    left: 16px;
    background: var(--midnight);
    color: #fff;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    z-index: 1000;
    font-weight: 600;
}

.skip-link:focus {
    top: 16px;
}

/* --- Header --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: transparent;
    transition: background var(--transition), box-shadow var(--transition);
}

.header.scrolled {
    background: rgba(10, 37, 64, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 600;
    line-height: 1.2;
    z-index: 101;
}

.logo-text {
    letter-spacing: -0.01em;
}

.logo-accent {
    color: var(--mint);
}

.logo-icon {
    flex-shrink: 0;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: color var(--transition), background var(--transition);
}

.nav-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

.nav-cta {
    background: var(--mint);
    color: var(--midnight);
    font-size: 0.875rem;
    font-weight: 600;
    padding: 9px 20px;
    border-radius: var(--radius-sm);
    margin-left: 8px;
    transition: background var(--transition), transform var(--transition);
}

.nav-cta:hover {
    background: var(--mint-light);
    transform: translateY(-1px);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 40px;
    height: 40px;
    position: relative;
    z-index: 101;
}

.hamburger {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: var(--transition);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 20px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: var(--transition);
}

.hamburger::before { top: -6px; }
.hamburger::after { top: 6px; }

.menu-toggle[aria-expanded="true"] .hamburger {
    background: transparent;
}

.menu-toggle[aria-expanded="true"] .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    padding: 13px 28px;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--mint);
    color: var(--midnight);
    border-color: var(--mint);
}

.btn-primary:hover {
    background: var(--mint-light);
    border-color: var(--mint-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.btn-dark {
    background: var(--midnight);
    color: #fff;
    border-color: var(--midnight);
}

.btn-dark:hover {
    background: var(--midnight-light);
    border-color: var(--midnight-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* --- Hero --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(10, 37, 64, 0.88) 0%,
        rgba(10, 37, 64, 0.72) 50%,
        rgba(10, 37, 64, 0.55) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 120px 24px 80px;
    max-width: 720px;
}

.hero-eyebrow {
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--mint);
    margin-bottom: 20px;
}

.hero-headline {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 5vw, 3.75rem);
    font-weight: 700;
    color: #fff;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-headline em {
    color: var(--mint);
    font-style: italic;
}

.hero-sub {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 540px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 48px;
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
}

.hero-meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
}

.hero-meta-item svg {
    color: var(--mint);
    flex-shrink: 0;
}

.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    animation: float 2s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(6px); }
}

/* --- Highlights --- */
.highlights {
    background: var(--neutral-50);
    padding: 80px 0;
    border-bottom: 1px solid var(--neutral-200);
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.highlight-card {
    background: #fff;
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--neutral-200);
    transition: all var(--transition);
}

.highlight-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--mint);
}

.highlight-icon {
    width: 48px;
    height: 48px;
    background: var(--midnight);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.highlight-card h3 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--midnight);
    margin-bottom: 10px;
    letter-spacing: -0.01em;
}

.highlight-card p {
    font-size: 0.9rem;
    color: var(--neutral-600);
    line-height: 1.65;
}

/* --- Section Shared --- */
.section-eyebrow {
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--mint-dark);
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3.5vw, 2.75rem);
    font-weight: 700;
    color: var(--midnight);
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.section-title em {
    color: var(--mint-dark);
    font-style: italic;
}

.section-desc {
    font-size: 1.0625rem;
    color: var(--neutral-500);
    line-height: 1.7;
    max-width: 560px;
}

/* --- Menu --- */
.menu {
    background: #fff;
    padding: 96px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-header .section-desc {
    margin: 0 auto;
}

.menu-tabs {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin-bottom: 48px;
    background: var(--neutral-100);
    border-radius: var(--radius-md);
    padding: 4px;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.menu-tab {
    flex: 1;
    padding: 10px 20px;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--neutral-500);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
}

.menu-tab:hover {
    color: var(--midnight);
}

.menu-tab.active {
    background: #fff;
    color: var(--midnight);
    box-shadow: var(--shadow-sm);
}

.menu-panel {
    display: none;
}

.menu-panel.active {
    display: block;
    animation: fadeUp 0.4s ease;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    max-width: 900px;
    margin: 0 auto;
}

.menu-item {
    padding: 24px 28px;
    border-radius: var(--radius-md);
    border: 1px solid var(--neutral-200);
    transition: all var(--transition);
}

.menu-item:hover {
    border-color: var(--mint);
    box-shadow: var(--shadow-md);
    background: rgba(94, 234, 212, 0.03);
}

.menu-item-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.menu-item-name {
    font-family: var(--font-display);
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--midnight);
}

.menu-item-tag {
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--midnight);
    background: var(--mint);
    padding: 3px 8px;
    border-radius: 4px;
}

.menu-item-desc {
    font-size: 0.9rem;
    color: var(--neutral-500);
    line-height: 1.65;
}

/* --- About --- */
.about {
    padding: 96px 0;
    background: var(--neutral-50);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-image-wrap {
    position: relative;
}

.about-image-wrap img {
    width: 100%;
    height: 480px;
    object-fit: cover;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.about-image-accent {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 120px;
    height: 120px;
    background: var(--mint);
    border-radius: var(--radius-lg);
    z-index: -1;
}

.about-content .section-title {
    margin-bottom: 24px;
}

.about-text {
    font-size: 1rem;
    color: var(--neutral-600);
    line-height: 1.75;
    margin-bottom: 16px;
}

.about-stats {
    display: flex;
    gap: 40px;
    margin: 32px 0 36px;
    padding: 24px 0;
    border-top: 1px solid var(--neutral-200);
    border-bottom: 1px solid var(--neutral-200);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--midnight);
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--neutral-500);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 500;
}

/* --- Gallery --- */
.gallery {
    background: var(--midnight);
    padding: 0;
    overflow: hidden;
}

.gallery-scroll {
    display: flex;
    gap: 2px;
}

.gallery-item {
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.gallery-item img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    filter: brightness(0.9);
}

.gallery-item:hover img {
    transform: scale(1.05);
    filter: brightness(1);
}

/* --- Visit --- */
.visit {
    padding: 96px 0;
    background: #fff;
}

.visit-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.visit-info .section-title {
    margin-bottom: 40px;
}

.visit-details {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.visit-detail {
    display: flex;
    gap: 16px;
}

.visit-detail-icon {
    width: 44px;
    height: 44px;
    background: var(--neutral-100);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--midnight);
}

.visit-detail h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--midnight);
    margin-bottom: 4px;
}

.visit-detail p {
    font-size: 0.9rem;
    color: var(--neutral-500);
    line-height: 1.6;
}

.visit-detail a {
    color: var(--mint-dark);
    font-weight: 500;
    transition: color var(--transition);
}

.visit-detail a:hover {
    color: var(--midnight);
}

.visit-map {
    height: 420px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

/* --- Contact --- */
.contact {
    padding: 96px 0;
    background: var(--midnight);
    color: #fff;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.contact .section-eyebrow {
    color: var(--mint);
}

.contact .section-title {
    color: #fff;
    margin-bottom: 20px;
}

.contact .section-title em {
    color: var(--mint);
}

.contact-text {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.75;
    margin-bottom: 36px;
}

.contact-direct {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-direct-link {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    transition: all var(--transition);
}

.contact-direct-link:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--mint);
    transform: translateX(4px);
}

.contact-direct-link svg {
    color: var(--mint);
    flex-shrink: 0;
}

.contact-direct-link span {
    display: flex;
    flex-direction: column;
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.6);
}

.contact-direct-link strong {
    font-size: 1rem;
    color: #fff;
    font-weight: 600;
}

/* --- Form --- */
.contact-form-wrap {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: 40px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-sm);
    color: #fff;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    transition: all var(--transition);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--mint);
    background: rgba(255, 255, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-note {
    text-align: center;
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.4);
    margin-top: 16px;
}

.form-success {
    text-align: center;
    padding: 40px 20px;
}

.form-success h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: #fff;
    margin: 16px 0 8px;
}

.form-success p {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.9375rem;
}

/* --- Footer --- */
.footer {
    background: var(--midnight-dark);
    color: rgba(255, 255, 255, 0.6);
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-desc {
    font-size: 0.875rem;
    line-height: 1.7;
    max-width: 280px;
}

.footer-links h4 {
    font-size: 0.8125rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 20px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition);
}

.footer-links a:hover {
    color: var(--mint);
}

.footer-links li span {
    font-size: 0.9rem;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    padding: 24px 0;
    font-size: 0.8125rem;
}

.footer-bottom a {
    color: var(--mint);
    transition: color var(--transition);
}

.footer-bottom a:hover {
    color: var(--mint-light);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .highlights-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-grid,
    .visit-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .about-image-wrap {
        order: -1;
    }
    
    .about-image-wrap img {
        height: 360px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--midnight);
        padding: 80px 32px 32px;
        transition: right var(--transition);
        box-shadow: var(--shadow-xl);
    }
    
    .nav.open {
        right: 0;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
    }
    
    .nav-link {
        padding: 12px 16px;
        font-size: 1rem;
    }
    
    .nav-cta {
        margin-left: 0;
        margin-top: 12px;
        text-align: center;
        display: block;
    }
    
    .hero-content {
        padding: 100px 24px 60px;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        justify-content: center;
    }
    
    .highlights-grid {
        grid-template-columns: 1fr;
    }
    
    .menu-grid {
        grid-template-columns: 1fr;
    }
    
    .menu-tabs {
        flex-direction: column;
        max-width: none;
    }
    
    .gallery-scroll {
        flex-direction: column;
    }
    
    .gallery-item img {
        height: 200px;
    }
    
    .visit-map {
        height: 300px;
    }
    
    .contact-form-wrap {
        padding: 24px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero-headline {
        font-size: 2rem;
    }
    
    .about-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .contact-direct {
        gap: 12px;
    }
}

/* --- Animations on scroll --- */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}